WO2011073831A1 - Dispositif de formation de nappe comportant une courroie - Google Patents

Dispositif de formation de nappe comportant une courroie Download PDF

Info

Publication number
WO2011073831A1
WO2011073831A1 PCT/IB2010/055372 IB2010055372W WO2011073831A1 WO 2011073831 A1 WO2011073831 A1 WO 2011073831A1 IB 2010055372 W IB2010055372 W IB 2010055372W WO 2011073831 A1 WO2011073831 A1 WO 2011073831A1
Authority
WO
WIPO (PCT)
Prior art keywords
lap
belt
configuration
previous
layer
Prior art date
Application number
PCT/IB2010/055372
Other languages
English (en)
Inventor
Girolamo Prandini
Roberto Torcoli
Original Assignee
Marzoli Combing & Flyer S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marzoli Combing & Flyer S.P.A. filed Critical Marzoli Combing & Flyer S.P.A.
Priority to EP10803641.9A priority Critical patent/EP2513361B1/fr
Priority to CN201080057012.8A priority patent/CN102666951B/zh
Priority to BR112012014177A priority patent/BR112012014177B1/pt
Publication of WO2011073831A1 publication Critical patent/WO2011073831A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • D01G27/04—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes with automatic discharge of lap-roll or the like

Definitions

  • the present invention relates to a lap-forming device with a belt, for machines processing fibre slivers, such as a lap-winder.
  • a fibre processing line entails processing a fibre, usually starting from fibre in tufts, to obtain a yarn.
  • the system is composed of numerous machines; in particular the carding machines make it possible to obtain fibre slivers.
  • a lap-winder positioned downline of the carding machines, a plurality of slivers are drawn and combined to form a web, wound on a tube to form a lap in a lap- forming device.
  • the structural characteristics of the belt are particularly important for the correct functioning of the device .
  • the aim of the present invention is to make a lap- forming device with a belt which ensures particularly high performance of the device. [0008] Such purpose is achieved by a lap-forming device made according to claim 1.
  • FIG. 1 shows a perspective view of a lap-forming device with a belt
  • figure 2 shows a scheme of a belt of the device in figure 1;
  • FIG. 3 shows a cross-section of the belt in figure 2;
  • FIG. 4 shows the belt according to a further embodiment.
  • a machine for processing fibre slivers or a web such as a lap-winder, comprises a lap-forming device 1.
  • the device 1 has an entrance area 2 for the entrance of a web W, coming from machinery upline of the device 1, for example from drawing and winding equipment of the lap-winder.
  • the device 1 comprises an entrance unit 4 for receiving the incoming web W and deviation of the direction of advancement, positioned in the entrance area 2.
  • the entrance unit 4 comprises a motorised entrance cylinder 6, and a pair of entrance cylinders 8, 10 engaged with the entrance cylinder 6 to drag the web.
  • the input device 4 comprises an alignment cylinder 12.
  • the device 1 further comprises a pair of calenders, of which at least one is motorised, preferably with a fixed rotation axis, to form the lap L.
  • the lap L is formed in a formation area 20 between said calenders .
  • the device 1 comprises at least one belt 30 engaged with at least one of said calenders, denominated the primary calender 22, facing the other calender, denominated the secondary calender 24, to accompany the formation of the lap L.
  • the belt 30 is in contact with the primary calender 22 at least in a contact portion, moving in a sector of a circle, positioned opposite the formation area 20, that is opposite the secondary calender 24.
  • the calenders have different diameters and in particular the primary calender has a smaller diameter than the secondary calendar.
  • the ratio of the diameter of the primary calender to the diameter of the secondary calender is 0.1 to 0.4, preferably 0.2 to 0. 3 , preferably equal to 0.27.
  • the device 1 comprises means of adjusting the tension able to regulate the tension of the belt 30 during formation of the lap.
  • the tension regulator devices comprise a tightening roller 40 engaged with the belt 30, having a mobile rotation axis, to pull or release the belt and thereby adjust the tension.
  • the belt 30 forms a closed circuit which surrounds the primary calender 22.
  • the alignment roller 12 and the tightening roller 40 are positioned inside the circuit formed by the belt.
  • the belt 30 forms a means of transport of the lap for at least a part of the circuit.
  • the device 1 further comprises guide means for guiding the lap being formed or the tube.
  • said guide means comprise a carriage comprising a pair of plates 52, positioned distanced along the rotation axis of the calenders 22, 24 so as to delimit an area between them.
  • the tube T with no lap yet wound around it, is positioned in the formation area 20 between the plates 52 of the guide means when formation of the lap commences.
  • the carriage further comprises first means of movement, connected to the plates 52, to move these in a formation direction.
  • said means of movement are pneumatic.
  • the device 1 comprises means of containment of the belt, comprising for example a pair of flanges 200, each coupled on one side of the primary calender, projecting radially from the surface of it.
  • the belt is a little narrower than the axial dimension of the primary calender, remaining contained between the flanges.
  • the belt has a greater width than the axial dimension of the primary calender, so as to project from the rims of it, but slightly less than the axial distance between the plates 52.
  • the belt 30, is of the multilayer type, that is to say, formed of a number of overlapping layers.
  • the belt 1 comprises a processing layer 30a, the outer surface 30a'of which is destined to come into contact with the web W, made from polyurethane, and is smooth and non-adhesive.
  • the belt 30 comprises an intermediate reinforcement layer 30b, for example made from polyester, positioned on the inner surface of the processing layer 30a.
  • the belt 30 comprises a dragging layer 30c, positioned in contact with the reinforcement layer 30b and destined to come into contact with the pulleys moving the belt, made from polyester fabric.
  • the belt 30 has a longitudinal modulus of elasticity, that is to say in the direction of advancement of the belt, of 10 to 30 N/mm, preferably equal to 20N/mm, and a transversal modulus of elasticity, that is in the direction orthogonal to that of advancement of the belt, of 2 to lON/mm, preferably equal to 5N/mm.
  • the moduli of elasticity indicated above are generally indicated as Kl% and show the traction load needed to achieve a 1% increase in length per unit of width (1mm); the sample is extracted in length in the direction in which one wishes to measure the Kl%.
  • the belt according to the present invention has a width of 270 to 310 millimetres, in general 285 or 299 millimetres, with a tolerance of ⁇ 0.5 millimetres.
  • the belt has a planarity on its sides of 0.10 to 0.30 millimetres.
  • the belt 30 has sealed rims (figure 3) .
  • the rims are sealed by removing from along the rims an area of limited width, generally 10-15 millimetres, of the reinforcement layer 30b and of the dragging layer 30c, while leaving intact the processing layer 30a.
  • the excess material of the processing layer 30a is melted so as to close the sides of the reinforcement and processing layers, which are thereby sealed.
  • the rim obtained is trimmed to the desired size.
  • the sealed rim of the belt 30 is made completely from processing layer material 30a and the reinforcement and dragging layers are contained within the rims, thereby not surfacing on the sides (figure 3).
  • the belt 30 is perforated through its thickness, by means of a plurality of holes 30d, for example so that the percentage of open surface area varies from 0,5% to 20% of the surface area, preferably 0,8% to 10%.
  • the holes are arranged in a succession of parallel rows in the direction of advancement of the belt 30, for example in rows orthogonal to the direction of advancement.
  • the holes 30d of one row are staggered in relation to the holes of the previous row; in other words, a hole on the next row is positioned between two holes of the previous row considering the direction of advancement of the belt .
  • the holes in the belt make it possible to evacuate the air currents generated in the formation area of the lap.
  • two subsequent rows of holes are 20 millimetres away from each other in the direction of advancement of the belt; two holes on the same row are 20 millimetres away from each other transversally and the holes of the subsequent row are positioned midway between the holes of the previous row.
  • the holes Preferably, the holes have diameter of 3 millimetres.
  • the holes are made using a punch, which enters the thickness of the belt from the side of the contact surface 30a' , so that any burrs do not come out on said surface.
  • the formation device with belt according to the present invention makes it possible to considerably improve the performance of the machine.
  • the belt of the device has rigidity values such as to permit formation of the lap at high speeds, limiting the formation of matting.
  • the belt make it possible to evacuate the air currents generated in the formation area during the formation cycle.
  • the belt does not have the tendency to remain stuck to the lap on its surface.
  • the sides of the belt do not capture the fibres of the lap being formed and do not accumulate them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Paper (AREA)
  • Belt Conveyors (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Telephone Set Structure (AREA)

Abstract

La présente invention concerne une courroie (30) d'un dispositif de formation de nappe (1). La courroie est multicouche et comporte une couche de traitement (30a) destinée à entrer en contact avec la nappe, constituée de polyuréthane, une couche de renfort intermédiaire (30b) constituée de tissu polyester, et une couche de couchage (30c) destinée à entrer en contact avec la calandre primaire (22), constituée de polyester.
PCT/IB2010/055372 2009-12-17 2010-11-23 Dispositif de formation de nappe comportant une courroie WO2011073831A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10803641.9A EP2513361B1 (fr) 2009-12-17 2010-11-23 Dispositif de formation de nappe comportant une courroie
CN201080057012.8A CN102666951B (zh) 2009-12-17 2010-11-23 用于纤维加工机的卷成形装置
BR112012014177A BR112012014177B1 (pt) 2009-12-17 2010-11-23 dispositivo de formação de voltas com uma correia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBS2009A000226 2009-12-17
ITBS2009A000226A IT1396879B1 (it) 2009-12-17 2009-12-17 Dispositivo di formazione della teletta munito di cinghia

Publications (1)

Publication Number Publication Date
WO2011073831A1 true WO2011073831A1 (fr) 2011-06-23

Family

ID=42235809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2010/055372 WO2011073831A1 (fr) 2009-12-17 2010-11-23 Dispositif de formation de nappe comportant une courroie

Country Status (5)

Country Link
EP (1) EP2513361B1 (fr)
CN (1) CN102666951B (fr)
BR (1) BR112012014177B1 (fr)
IT (1) IT1396879B1 (fr)
WO (1) WO2011073831A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013136200A1 (fr) 2012-03-12 2013-09-19 Marzoli S.P.A. Dispositif de formation de nappe pour une machine d'enroulement de nappe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090124B (zh) * 2016-08-25 2018-05-25 济南天齐特种平带有限公司 一种滑面助卷带

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073385B (de) * 1960-01-14 Conrad Scholtz Aktiengesellschaft, Hamburg-Wandsbek Gummi-Förderband mit Diagonal- oder Schrägfadengewebe
US3134553A (en) 1961-01-17 1964-05-26 Cameron Machine Co Tucking means for a web-winding machine
EP0160165A1 (fr) 1984-03-15 1985-11-06 Maschinenfabrik Rieter Ag Procédé et dispositif pour la formation d'un enroulement d'ouate
EP0964183A1 (fr) * 1998-06-12 1999-12-15 Maschinenfabrik Rieter Ag Courroie pour la production d'un rouleau d' ouate
DE10332711A1 (de) * 2002-10-25 2004-08-05 Maschinenfabrik Rieter Ag Riemen für Wickelvorrichtung
EP2055815A2 (fr) * 2007-10-31 2009-05-06 Maschinenfabrik Rieter Ag Courroie pour dispositif d'enroulement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461538A (en) * 1935-07-30 1937-02-18 Rieter Joh Jacob & Cie Ag An improved apparatus for forming lap rolls of fibrous materials
CN1161677A (zh) * 1994-09-21 1997-10-08 欧文斯科尔宁格公司 包装可压缩的绝缘材料的方法和装置
CH695344A5 (de) * 2001-06-13 2006-04-13 Rieter Ag Maschf Vorrichtung mit einem Riemen zur Herstellung eines Wattewickels.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073385B (de) * 1960-01-14 Conrad Scholtz Aktiengesellschaft, Hamburg-Wandsbek Gummi-Förderband mit Diagonal- oder Schrägfadengewebe
US3134553A (en) 1961-01-17 1964-05-26 Cameron Machine Co Tucking means for a web-winding machine
EP0160165A1 (fr) 1984-03-15 1985-11-06 Maschinenfabrik Rieter Ag Procédé et dispositif pour la formation d'un enroulement d'ouate
EP0160165B1 (fr) * 1984-03-15 1988-08-31 Maschinenfabrik Rieter Ag Procédé et dispositif pour la formation d'un enroulement d'ouate
EP0964183A1 (fr) * 1998-06-12 1999-12-15 Maschinenfabrik Rieter Ag Courroie pour la production d'un rouleau d' ouate
DE10332711A1 (de) * 2002-10-25 2004-08-05 Maschinenfabrik Rieter Ag Riemen für Wickelvorrichtung
EP2055815A2 (fr) * 2007-10-31 2009-05-06 Maschinenfabrik Rieter Ag Courroie pour dispositif d'enroulement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013136200A1 (fr) 2012-03-12 2013-09-19 Marzoli S.P.A. Dispositif de formation de nappe pour une machine d'enroulement de nappe

Also Published As

Publication number Publication date
ITBS20090226A1 (it) 2011-06-18
EP2513361A1 (fr) 2012-10-24
EP2513361B1 (fr) 2014-12-17
BR112012014177B1 (pt) 2019-12-10
BR112012014177A2 (pt) 2017-08-29
CN102666951B (zh) 2015-11-25
CN102666951A (zh) 2012-09-12
IT1396879B1 (it) 2012-12-20

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